cycad中文什么意思

n.
铁树目裸子植物。

• cycad blue:    曲纹紫灰蝶
• cycad family:    苏铁科
• fossil cycad national monument:    苏铁属植物化石国家保护区

例句与用法

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1. The cycads provide an ample and reliable source of food from june until october , while the yam is available for an even longer period
   每年的六月到十月，棕桐树的果子为人们提供了丰富而可靠的食物来源，而后者的获得时间甚至更长。
2. Coralloid roots a type of root regularly produced by cycads , which contains symbiotic nitrogen - fixing cyanobacteria in root nodules , giving the roots a knobbly coral - like appearance
   珊瑚状的根：由苏铁类植物产生的一种类型的根，根瘤中含有共生的固氮蓝细菌，使根形成珊瑚状的有节的形状。
3. 25 species and 3 variations of 6 genus , about 16 percents of zamiaceae in the family , were introduced to xiamen botanical garden since 1975 to enrich the cycad diversity in china
   摘要厦门植物园自1975年至今已引种保存泽米铁科6属25种和3个变种，约占世界泽米铁科植物种类的16 % ，丰富了我国的苏铁目植物资源。
4. A valid export permit issued by a competent authority of the exporting country is required . the more commonly traded artificially propagated endangered plant species include cacti , aloes , pitcher plants , venus fly - trap , cycads , cyclamens and orchids
   本港较常见买卖的人工培植濒危植物物种，有仙人掌、芦荟、猪笼草、捕蝇草、苏铁、兔仔花及兰花品种等。
5. Climatological data from fossil pollen , leaves and wood indicate that the cretaceous forests of northern alaska consisted of a mixed canopy that included deciduous conifers with an understory of flowering plants , ferns and cycads
   由花粉、叶子和木材化石?集到的气候资料显示，阿拉斯加北部的白垩纪森林有混合型林冠，包括了落叶针叶林以及林下的开花植物、蕨类和苏铁。

英文释义

名词

1. any tropical gymnosperm of the order Cycadales; having unbranched stems with a crown of fernlike leaves